SEPTA is rushing to inspect the electrical components of 225 Silverliner IVs from bottom to top by month’s end — working under an emergency order by the Federal Railroad Administration after five train fires of undetermined cause this year. With cars undergoing inspections in SEPTA’s four regional maintenance facilities, trains have been shorter than usual, leading to overcrowding and delayed or canceled trips, frustrating riders. As of midday Thursday, SEPTA had completed the intense inspection

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